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// RUN: %clang_cc1 -fsyntax-only -verify %s
// This test concerns the identity of dependent types within the
// canonical type system, specifically focusing on the difference
// between members of the current instantiation and members of an
// unknown specialization. This considers C++ [temp.type], which
// specifies type equivalence within a template, and C++0x
// [temp.dep.type], which defines what it means to be a member of the
// current instantiation.
template<typename T, typename U>
struct X0 {
typedef T T_type;
typedef U U_type;
void f0(T&); // expected-note{{previous}}
void f0(typename X0::U_type&);
void f0(typename X0::T_type&); // expected-error{{redecl}}
void f1(T&); // expected-note{{previous}}
void f1(typename X0::U_type&);
void f1(typename X0<T, U>::T_type&); // expected-error{{redecl}}
void f2(T&); // expected-note{{previous}}
void f2(typename X0::U_type&);
void f2(typename X0<T_type, U_type>::T_type&); // expected-error{{redecl}}
void f3(T&); // expected-note{{previous}}
void f3(typename X0::U_type&);
void f3(typename ::X0<T_type, U_type>::T_type&); // expected-error{{redecl}}
struct X1 {
typedef T my_T_type;
void g0(T&); // expected-note{{previous}}
void g0(typename X0::U_type&);
void g0(typename X0::T_type&); // expected-error{{redecl}}
void g1(T&); // expected-note{{previous}}
void g1(typename X0::U_type&);
void g1(typename X0<T, U>::T_type&); // expected-error{{redecl}}
void g2(T&); // expected-note{{previous}}
void g2(typename X0::U_type&);
void g2(typename X0<T_type, U_type>::T_type&); // expected-error{{redecl}}
void g3(T&); // expected-note{{previous}}
void g3(typename X0::U_type&);
void g3(typename ::X0<T_type, U_type>::T_type&); // expected-error{{redecl}}
void g4(T&); // expected-note{{previous}}
void g4(typename X0::U_type&);
void g4(typename X1::my_T_type&); // expected-error{{redecl}}
void g5(T&); // expected-note{{previous}}
void g5(typename X0::U_type&);
void g5(typename X0::X1::my_T_type&); // expected-error{{redecl}}
void g6(T&); // expected-note{{previous}}
void g6(typename X0::U_type&);
void g6(typename X0<T, U>::X1::my_T_type&); // expected-error{{redecl}}
void g7(T&); // expected-note{{previous}}
void g7(typename X0::U_type&);
void g7(typename ::X0<typename X1::my_T_type, U_type>::X1::my_T_type&); // expected-error{{redecl}}
void g8(T&); // expected-note{{previous}}
void g8(typename X0<U, T_type>::T_type&);
void g8(typename ::X0<typename X0<T_type, U>::X1::my_T_type, U_type>::X1::my_T_type&); // expected-error{{redecl}}
};
};
template<typename T, typename U>
struct X0<T*, U*> {
typedef T T_type;
typedef U U_type;
typedef T* Tptr;
typedef U* Uptr;
void f0(T&); // expected-note{{previous}}
void f0(typename X0::U_type&);
void f0(typename X0::T_type&); // expected-error{{redecl}}
void f1(T&); // expected-note{{previous}}
void f1(typename X0::U_type&);
void f1(typename X0<T*, U*>::T_type&); // expected-error{{redecl}}
void f2(T&); // expected-note{{previous}}
void f2(typename X0::U_type&);
void f2(typename X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
void f3(T&); // expected-note{{previous}}
void f3(typename X0::U_type&);
void f3(typename ::X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
void f4(T&); // expected-note{{previous}}
void f4(typename X0::U_type&);
void f4(typename ::X0<Tptr, Uptr>::T_type&); // expected-error{{redecl}}
void f5(X0*); // expected-note{{previous}}
void f5(::X0<T, U>*);
void f5(::X0<T*, U*>*); // expected-error{{redecl}}
struct X2 {
typedef T my_T_type;
void g0(T&); // expected-note{{previous}}
void g0(typename X0::U_type&);
void g0(typename X0::T_type&); // expected-error{{redecl}}
void g1(T&); // expected-note{{previous}}
void g1(typename X0::U_type&);
void g1(typename X0<T*, U*>::T_type&); // expected-error{{redecl}}
void g2(T&); // expected-note{{previous}}
void g2(typename X0::U_type&);
void g2(typename X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
void g3(T&); // expected-note{{previous}}
void g3(typename X0::U_type&);
void g3(typename ::X0<T_type*, U_type*>::T_type&); // expected-error{{redecl}}
void g4(T&); // expected-note{{previous}}
void g4(typename X0::U_type&);
void g4(typename X2::my_T_type&); // expected-error{{redecl}}
void g5(T&); // expected-note{{previous}}
void g5(typename X0::U_type&);
void g5(typename X0::X2::my_T_type&); // expected-error{{redecl}}
void g6(T&); // expected-note{{previous}}
void g6(typename X0::U_type&);
void g6(typename X0<T*, U*>::X2::my_T_type&); // expected-error{{redecl}}
void g7(T&); // expected-note{{previous}}
void g7(typename X0::U_type&);
void g7(typename ::X0<typename X2::my_T_type*, U_type*>::X2::my_T_type&); // expected-error{{redecl}}
void g8(T&); // expected-note{{previous}}
void g8(typename X0<U, T_type>::T_type&);
void g8(typename ::X0<typename X0<T_type*, U*>::X2::my_T_type*, U_type*>::X2::my_T_type&); // expected-error{{redecl}}
};
};
template<typename T>
struct X1 {
static int *a;
void f(float *b) {
X1<T>::a = b; // expected-error{{incompatible}}
X1<T*>::a = b;
}
};
namespace ConstantInCurrentInstantiation {
template<typename T>
struct X {
static const int value = 2;
static int array[value];
};
template<typename T> const int X<T>::value;
template<typename T>
int X<T>::array[X<T>::value] = { 1, 2 };
}
namespace Expressions {
template <bool b>
struct Bool {
enum anonymous_enum { value = b };
};
struct True : public Bool<true> {};
struct False : public Bool<false> {};
template <typename T1, typename T2>
struct Is_Same : public False {};
template <typename T>
struct Is_Same<T, T> : public True {};
template <bool b, typename T = void>
struct Enable_If {};
template <typename T>
struct Enable_If<true, T> {
typedef T type;
};
template <typename T>
class Class {
public:
template <typename U>
typename Enable_If<Is_Same<U, Class>::value, void>::type
foo();
};
template <typename T>
template <typename U>
typename Enable_If<Is_Same<U, Class<T> >::value, void>::type
Class<T>::foo() {}
}
namespace PR9255 {
template<typename T>
class X0 {
public:
class Inner1;
class Inner2 {
public:
void f()
{
Inner1::f.g();
}
};
};
}
namespace rdar10194295 {
template<typename XT>
class X {
public:
enum Enum { Yes, No };
template<Enum> void foo();
template<Enum> class Inner;
};
template<typename XT>
template<typename X<XT>::Enum>
void X<XT>::foo()
{
}
template<typename XT>
template<typename X<XT>::Enum>
class X<XT>::Inner { };
}
namespace RebuildDependentScopeDeclRefExpr {
template<int> struct N {};
template<typename T> struct X {
static const int thing = 0;
N<thing> data();
N<thing> foo();
};
template<typename T> N<X<T>::thing> X<T>::data() {}
// FIXME: We should issue a typo-correction here.
template<typename T> N<X<T>::think> X<T>::foo() {} // expected-error {{no member named 'think' in 'X<T>'}}
}
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